Our user-friendly Fuseology Design Guide makes the fuse selection process quick and easy—helping optimize the reliability and performance of your latest electronic application. The guide includes fuse characteristics, terms, design consideration factors, a fuse selection checklist, and relevant international standards and certifications.

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The Low Profile JCASE ® fuse has similar performance characteristics as the standard JCASE® fuse. The lower overall height reduction allows for more space and weight savings and also allows for a shorter male blade terminal, saving additional weight and material savings in fuse box designs. Semitransparent cover makes it easier to see when ...

MAXI ® 58 V Slo-Blo fuses can protect circuits in automotive elec-trical systems up to 42 V. The blade fuses employ diffusion pill tech-nology to provide predictable time-delay performance and low heat dissipation. See-through housing makes it easy to check whether a fuse has blown Color coding shows the amperage rating for each fuse

ATOF® automotive blade fuses were developed to take the place of obsolete ATO Series 257 fuses. Automakers consider ATOF fuses standard equipment for protecting low-voltage circuits. Specifications Color coding indicates amperage rating See-through housings make it easier to see when fuses blow Checkpoints on top make it

MCASE+TM cartridge fuses protect automotive circuits from inrushes of current while taking up minimal space. Unslotted MCASE+ fuses mount on 2.8 mm terminals, and Slotted MCASE+ fuses can mount on bus bars or 6.3 mm terminals. MCASE+ High Temperature fuses produce a lower voltage drop and experience a lower temperature

The largest size fuse shown in the chart is the 5AG, or “MIDGET,” a name adopted from its use by the electrical industry and the National Electrical Code range which normally recognizes fuses of 9/16” x 2” as the smallest standard fuse in use.

MEGA ® SLO-BLO automotive fuses employ diffusion pill technology to provide time-delay circuit protection. MEGA fuses are ideal for use on batteries, alternators, and heavy gauge wire harnesses that experience large inrushes of current. The MEGA SLO-BLO fuses with ratings of 40 A to 250 A ensure continuous current flow. Use MEGA

MINI® 32V automotive blade fuses boast a miniature design that allows automakers to pack more circuit protection into less space. Despite their light weight, MINI® fuses perform reliably in adverse environments and at extreme temperatures. Color coding indicates amperage rating for each fuse High-contrast ampere stamps on the top of the

Fuse Selection Guide. Use this quick reference chart, along with the Littelfuse fuseology guide, to determine the correct overcurrent protection for any application. This tool should ONLY be used as a quick reference guide to suggest a starting point in the overcurrent selection process.